Issue 10, 2015

Nitrogen-doped active carbon as a metal-free catalyst for acetylene hydrochlorination

Abstract

In this study, we report high catalytic activity for acetylene hydrochlorination by post-treatment of active carbon (AC) with polyaniline (PANI) followed by pyrolyzation at high temperature. The presence of PANI species in N-doped AC can be proven by transmission electron microscopy and X-ray photoelectron spectra. The N-doped AC catalyst with PANI had significantly improved catalytic activity and stability. Results demonstrated that the order of the nitrogen species' role in acetylene hydrochlorination is as follows: pyrrolic N > graphitic N > pyridinic N. It is a green, sustainable process for the polyvinyl chloride industry as a metal-free substitute for toxic HgCl2 because of its low cost, environmental stability, and excellent catalytic performance.

Graphical abstract: Nitrogen-doped active carbon as a metal-free catalyst for acetylene hydrochlorination

Supplementary files

Article information

Article type
Paper
Submitted
05 Nov 2014
Accepted
19 Dec 2014
First published
19 Dec 2014

RSC Adv., 2015,5, 7461-7468

Nitrogen-doped active carbon as a metal-free catalyst for acetylene hydrochlorination

C. Zhang, L. Kang, M. Zhu and B. Dai, RSC Adv., 2015, 5, 7461 DOI: 10.1039/C4RA13862G

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